00269nam a2200121Ia 45000030006000000080041000060400015000471000022000622450025000842600009001095460012001180050017001300STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGhosh Krishnapada  aText book of physics  c1940  aEnglish20220125170105.0